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Battery Powered Magnetic Flowmeter
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Product: Views:483Battery Powered Magnetic Flowmeter 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-10-27 21:43
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Battery Powered Electromagnetic Flow Meter



GPRS GSM BATTERY ELECTROMAGNETIC FLOW METER

 


Nominal diameter

DN6-DN3000

Power supply

3.6V battery type

Signal output

0-10mA/4-20mA 0-5V/0-10V pulse/freq

Liner material

Neoprene PTFE FEP PF PU Ceramic

Electrode

SUS316L, HB, HC, Ti, Ta and etc

Flange standard

ANSI, DIN, JIS(Accept customization)

Communication

Modbus, Profibus, Hart, GPRS/GSM




CHARACTERS OF MAGNETIC FLOW METER

     

1. Measuring accuracy will not be influenced by medium temperature, pressure, viscosity, density and physical parameter; as long as the conductivity of measured medium more than 20μs/cm, and indication will not be influenced by conductivity changes.
2. Wide measuring range, the max flow velocity inside pipe could be any set from 0 m/s to 15 m/s, and output signal and flow will be linear relation.
3. Low requirement to upstream and downstream straight pipe and easier to install.
4. Converter uses 16-digit microprocessor, digital signal processing, with characters of rapid calculation speed, high calculation accuracy, strong anti-interference performance and reliable measurement.
5. Using programmable low frequency excitation method, so flow measurement will be more stable and reliable and lower power consumption;
6. It will display double direction flow automatic measurement, forward and reverse accumulative flow, instantaneous flow, velocity, flow percentage, automatic alarm warning and other parameters;
7. Converter faults self-diagnostic and automatic alarm functions: blank pipe testing alarm, high and low limit flow testing alarm, excitation fault alarm and system fault alarm;
8. Using nonvolatile memory to effectively protect setting parameters and measurement parameters;
9. Using big screen back light LCD display, you could read the data clearly in the sun, hard light or night;
10. Strong converter output functions: 4-20mA, 0-10mA, 0-5V, 0-10V, pulse output and frequency output, and RS485, RS232, HART, MODBUS RTU, PROFIBUS and GPRS GSM wireless remote transfer;

       


HOW TO CHOOSE LINER OF MAGNETIC FLOWMETER


                    Liner material

                    Main performance

                    Application

                    Neoprene

                    Good elasticity and high breaking tenacity,good wearing resistance performance; resist common concentrated acid,alkali and salt.

                    1.Max temperature of medium is 80C;2.mainly used to measure water, sewage, slurry and pulp etc.

                    PTFE

                    The chemical performance of PTFE is the most stable in all plastics, and resist boiled hydrochloric acid, sulfuric acid,nitric acid aqua regia, concentrated alkaline and kinds of organic solutions; food degree material.

                    Temperature of medium: -40C to 180C;mainly used to strong corrosive medium like concentrated acid, alkali and sanitary medium.

                    PU (Polyurethane)

                    With excellent wear resisting property(equals to ten times of natural rubber);but bad acid and alkali resisting property;

                    Max temperature of medium should be less than 80C; used to measure pulp and coal slurry with middle strong abrasion

                    FEP

                    Chemical performance is similar with PTFE, negative pressure resisting property is better than PTFE; food degree material, price is higher.

                    Same with PTFE

                    PFA

                    Chemical performance is similar with PTFE; with good negative pressure resisting property; food degree material, price is higher.

                    Same with PTFE

     



     

ELECTRODES SELECTION OF MAG FLOW METER



                    Electrodes material

                    Main performance and application

                    SUS316L

                    Used to industrial water, life water and sewage etc, with weak corrosion performance; apply to petroleum, chemical, metallurgy industries, and municipal and environmental protection fields.

                    HB

                    With good corrosion resistance performance to all concentrations of hydrochloric acid below the boiled point; also resist sulfuric acid, phosphoric acid, hydruoric acid, organic acid and other non-oxidizing acid, alkali and hydrochloric acid etc.

                    HC

                    Resist non-oxidizing acid, such as the mixture of nitric acid/chromic acid and sulfuric acid; and resist oxidizing salt, such as Fe3+,Cu2+ and other oxidizing agents like hypochlorite solution and sea water etc.

                    Titanium

                    Resist sea water, kinds of chlorides, hypochlorite, oxidizing acid (including introsonitric acid). organic acid and alkali etc, but do not resist purified reductic acid (sulfuric acid, hydrochloric acid); Corrosion will reduce greatly when it has only oxidzing agent(like nitric acid and ionic mediums with Fe, Cu ) in the acid.

                    Tantalum

                    Good corrosion resistant property, which is similar with glass; it could almost resist all chemical mediums (including boiling hydrochloric acid, nitric acid and sulfuric acid below 175C), but do not resist hydrofluoric acid, strong sulfuric acid and alkali.

                    Stainless steel coated with tungsten carbide

                    Used to strong wearing mediums without corrosion.

     

     

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